Year	Percent
1999-01-01	100.0000
2000-01-01	100.0000
2001-01-01	100.0000
2002-01-01	99.8403
2003-01-01	100.0000
2004-01-01	100.0000
2005-01-01	100.0000
2006-01-01	96.1289
2007-01-01	100.0000
2008-01-01	92.4598
2009-01-01	100.0000
2010-01-01	92.7536
2011-01-01	92.1449
2012-01-01	96.2247